$LH SEC Filings

Filing Filed On
MEDTOX ANNOUNCEMENT 01 Aug 2012
CORRESP 20 Jul 2012
ITEM 7.01 POWERPOINT PRESENTATION 19 Jul 2012
FORM 8-K EARNINGS RELEASE Q2 2012 19 Jul 2012
PRIMARY DOCUMENT 17 Jul 2012
PRIMARY DOCUMENT 17 Jul 2012
FORM 8-K JULY 13 2012 13 Jul 2012
PRIMARY DOCUMENT 11 Jul 2012
UPLOAD 09 Jul 2012
PRIMARY DOCUMENT 05 Jul 2012
FORM 8-K JULY 2 2012 02 Jul 2012
PRIMARY DOCUMENT 29 Jun 2012
FORM 8-K 14 Jun 2012
SC 13G/A 08 Jun 2012
PRIMARY DOCUMENT 06 Jun 2012
FORM 8-K JUNE 4 2012 04 Jun 2012
PRIMARY DOCUMENT 29 May 2012
PRIMARY DOCUMENT 29 May 2012
PRIMARY DOCUMENT 29 May 2012
PRIMARY DOCUMENT 29 May 2012